GB1456993A - Mine roof support shield assembly - Google Patents

Mine roof support shield assembly

Info

Publication number
GB1456993A
GB1456993A GB2003473A GB2003473A GB1456993A GB 1456993 A GB1456993 A GB 1456993A GB 2003473 A GB2003473 A GB 2003473A GB 2003473 A GB2003473 A GB 2003473A GB 1456993 A GB1456993 A GB 1456993A
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof support
shield assembly
adjacent supports
support shield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2003473A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB2003473A priority Critical patent/GB1456993A/en
Priority to CA197,176A priority patent/CA992336A/en
Priority to US05/459,376 priority patent/US3943723A/en
Priority to DE2419214A priority patent/DE2419214A1/en
Priority to FR7414751A priority patent/FR2227423A1/fr
Publication of GB1456993A publication Critical patent/GB1456993A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
    • E21F15/04—Stowing mats; Goaf wire netting; Partition walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

1456993 Advancing mine roof support systems COAL INDUSTRY (PATENTS) Ltd 5 April 1974 [27 April 1973] 20034/73 Heading E1P [Also in Division F2] In an advancing mine roof support system for a longwall face the roof engaging members 7 of adjacent supports 1, 2, 3, 4, each have a chain 10 pivotally suspended therefrom and adjacent chains of adjacent supports are interconnected by transverse, overlapping slats 18 which prevent goaf collapse into the workings when the adjacent supports are out of alignment. Each support is also provided with overlapping goaf shields 22, 23.
GB2003473A 1973-04-27 1973-04-27 Mine roof support shield assembly Expired GB1456993A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2003473A GB1456993A (en) 1973-04-27 1973-04-27 Mine roof support shield assembly
CA197,176A CA992336A (en) 1973-04-27 1974-04-09 Mine roof support equipment
US05/459,376 US3943723A (en) 1973-04-27 1974-04-09 Mine roof support equipment
DE2419214A DE2419214A1 (en) 1973-04-27 1974-04-22 PIT REMOVAL, IN PARTICULAR FOR LONG-FRONT OPERATIONS OR THE SAME
FR7414751A FR2227423A1 (en) 1973-04-27 1974-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2003473A GB1456993A (en) 1973-04-27 1973-04-27 Mine roof support shield assembly

Publications (1)

Publication Number Publication Date
GB1456993A true GB1456993A (en) 1976-12-01

Family

ID=10139276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2003473A Expired GB1456993A (en) 1973-04-27 1973-04-27 Mine roof support shield assembly

Country Status (5)

Country Link
US (1) US3943723A (en)
CA (1) CA992336A (en)
DE (1) DE2419214A1 (en)
FR (1) FR2227423A1 (en)
GB (1) GB1456993A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089299A (en) * 2013-01-16 2013-05-08 中国矿业大学 Obligate cavity channel gob-side entry retaining wall filling method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1500180A (en) * 1975-07-11 1978-02-08 Coal Ind Mine packing equipment
DE2539149C3 (en) * 1975-09-03 1979-10-31 Ruhrkohle Ag, 4300 Essen Shield wall for blow offset
DE2752650C2 (en) * 1977-11-25 1985-02-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Height-adjustable driving area shielding for underground mining operations, especially in inclined and steep storage
DE3211595A1 (en) * 1982-03-30 1983-10-06 Gewerk Eisenhuette Westfalia BREAK AND OFFSET SHIELDING OF A LEMNIS CAT SHIELD
DE3643120A1 (en) * 1986-01-22 1987-07-30 Voest Alpine Ag MOVABLE RACK
US6325460B1 (en) * 2000-01-28 2001-12-04 Joy Mm Delaware, Inc. Machine used in connection with underground mining having an operator protective shield
CN102261258B (en) * 2010-05-24 2013-09-04 淮南郑煤机舜立机械有限公司 Suspension support mounting rack
CN102261257B (en) * 2011-08-04 2013-06-26 安徽理工大学 Hydraulic support for filling after installation and operating method thereof
CN102877844A (en) * 2012-09-21 2013-01-16 中煤平朔集团有限公司 Randomly and automatically expanding safeguarding device for reversed loader

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT108441B (en) * 1926-07-02 1927-12-27 Hans Braun Advertiser.
US2943696A (en) * 1957-01-31 1960-07-05 George G Roberts Pilot's ladder and the like
FR1273850A (en) * 1960-11-18 1961-10-13 Improvements to devices to remove dust which is contained in the air circulating in mines and can enter the lungs
DE1758784A1 (en) * 1968-08-06 1971-02-25 Gewerk Eisenhuette Westfalia Method and device for shielding the fracture field in a mining operation with self-relocating support frames
DE1945980C3 (en) * 1969-09-11 1974-02-14 Krampe & Co, Fertigung In Bergbaubedarf Gmbh, 4320 Hattingen Offset cladding for moving longwall mining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089299A (en) * 2013-01-16 2013-05-08 中国矿业大学 Obligate cavity channel gob-side entry retaining wall filling method
CN103089299B (en) * 2013-01-16 2015-01-21 中国矿业大学 Method for reserving cavity channel gob-side entry retaining filling wall

Also Published As

Publication number Publication date
US3943723A (en) 1976-03-16
DE2419214A1 (en) 1974-11-21
CA992336A (en) 1976-07-06
FR2227423A1 (en) 1974-11-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee